Ice cream maker



FIG. 1 is a front perspective view of an ice cream maker showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a left view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a right view thereof;

FIG. 6 is a rear view thereof; and,

FIG. 7 is a top view thereof.

The broken lines shown in the drawings are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for an ice cream maker, as shown and described. 